package com.taotie.mapper;

import com.taotie.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {

    /**
     * 条件查询
     *
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 购物车中有商品时则执行修改操作更改购物车同一商品数量
     * @param shoppingCart
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    /**
     * 将商品添加到购物车
     *
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart (name, image, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time)" +
            "values (#{name}, #{image}, #{userId}, #{dishId}, #{setmealId}, #{dishFlavor}, #{number}, #{amount}, #{createTime} )")
    void insert(ShoppingCart shoppingCart);

    @Delete("delete from shopping_cart where user_id = #{userId}")
    void deleteByUserId(Long userId);

    @Delete("delete from shopping_cart where id = #{id};")
    void deleteById(Long id);
}
